The Inner Workings of Python Dataclasses Explained
Everything you ever wanted to know about Python's dataclasses. And probably more. And probably stuff you didn't care to know. And probably stuff you didn't know you'd ever want to know, or not.
Style guides for Google-originated open-source projects
Google's style guide for Python code. Obviously not the law, not even always a good suggestion, but worthy of consideration.
Various intersphinx mappings for Python libraries.
Handy list of intersphinx mappings for various popular Python libraries.